3688768878 has 16 divisors (see below), whose sum is σ = 7382632656. Its totient is φ = 1228740480.

The previous prime is 3688768829. The next prime is 3688768879. The reversal of 3688768878 is 8788678863.

It is a super-3 number, since 3×3688768878³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688768879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202843 + ... + 220278.

It is an arithmetic number, because the mean of its divisors is an integer number (461414541).

Almost surely, 2^3688768878 is an apocalyptic number.

3688768878 is an abundant number, since it is smaller than the sum of its proper divisors (3693863778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3688768878 is a wasteful number, since it uses less digits than its factorization.

3688768878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424579.

The product of its digits is 173408256, while the sum is 69.

The square root of 3688768878 is about 60735.2358849457. The cubic root of 3688768878 is about 1545.1138366704.

The spelling of 3688768878 in words is "three billion, six hundred eighty-eight million, seven hundred sixty-eight thousand, eight hundred seventy-eight".